A study of the effectiveness of sewage treatment plants in Delhi region

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• 作者：Sandeep Kumar Gautam (1)
  Divya Sharma (1)
  Jayant Kumar Tripathi (1)
  Saroj Ahirwar (2)
  Sudhir Kumar Singh (3)
  
• 关键词：Sewage treatment plant ; Wastewater ; Water quality ; Pollution ; Monitoring ; Delhi
• 刊名：Applied Water Science
• 出版年：2013
• 出版时间：March 2013
• 年：2013
• 卷：3
• 期：1
• 页码：57-65
• 全文大小：521KB
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• 作者单位：Sandeep Kumar Gautam (1)
  Divya Sharma (1)
  Jayant Kumar Tripathi (1)
  Saroj Ahirwar (2)
  Sudhir Kumar Singh (3)
  
  1. School of Environmental Science, Jawaharlal Nehru University, New Delhi, 110067, India
  2. Department of Applied Microbiology and Biotechnology, Dr. H.S. Gour University Sagar, Madhya Pradesh, India
  3. K. Banerjee Centre of Atmospheric and Ocean Studies, KBCAOS, Nehru Science Centre, IIDS, University of Allahabad, Allahabad, 211002, India
  
• ISSN：2190-5495

文摘

This is a conventional kind of monitoring study. The objective of the study was to assess and monitor the physicochemical parameters in wastewater at inlet and outlet of sewage treatment plant (STP) and also to study the effectiveness of the STPs. The average concentration of parameters at inlet sampling site pH, electrical conductivity, total dissolved solids, are 7.16, 2,169?μS/cm, 766.06?mg/l, and major ions bicarbonate, nitrate, sulphate, phosphate, chloride, sodium, potassium, magnesium and calcium values 515.88, 4.28, 82.85, 15.17, 7.01, 23.08, 29.34, 4.14 and 84.31?mg/l. While the average concentration of these parameters, after treatment shows following values 7.47, 2,161.43 (μS/cm), 695.81, 436.52, 1.25, 99.22, 12.69, 6.83, 23.18, 29.07, 4.40 and 82.65?mg/l, respectively. Further, to check the Na % and sodium absorption ratio at inlet and outlet which 27.89?%, 0.67 and 28.19?%, 0.68, respectively, for the suitability of the wastewater. Finally, the agglomerative hierarchical clustering techniques were used to study the similarity in the sewage treatment plants. The result suggests that there is considerable improvement in the wastewater quality after treatment except at the Pappankalan and Coronation Pillar, Timarpur.